From owner-freebsd-current@FreeBSD.ORG Thu Mar 21 08:16:12 2013 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 94C08E9F for ; Thu, 21 Mar 2013 08:16:12 +0000 (UTC) (envelope-from jean-sebastien.pedron@dumbbell.fr) Received: from mail.made4.biz (ns25270.ovh.net [91.121.29.24]) by mx1.freebsd.org (Postfix) with ESMTP id 5A4FA140 for ; Thu, 21 Mar 2013 08:16:11 +0000 (UTC) Received: from [46.255.176.2] (helo=viking.yzserv.com) by mail.made4.biz with esmtpsa (TLSv1:DHE-RSA-CAMELLIA256-SHA:256) (Exim 4.80.1 (FreeBSD)) (envelope-from ) id 1UIae6-000Iii-Tr for freebsd-current@freebsd.org; Thu, 21 Mar 2013 09:14:47 +0100 Message-ID: <514AC172.5010807@dumbbell.fr> Date: Thu, 21 Mar 2013 09:14:42 +0100 From: =?ISO-8859-1?Q?Jean-S=E9bastien_P=E9dron?= User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:17.0) Gecko/20130311 Thunderbird/17.0.4 MIME-Version: 1.0 To: freebsd-current@freebsd.org Subject: Re: Silent reboots in head @r248550 starting xdm with x11/nvidia-driver References: <20130320160056.GG32811@albert.catwhisker.org> <20130320171340.GE3794@kib.kiev.ua> <20130320173759.GK32811@albert.catwhisker.org> <20130320174458.GG3794@kib.kiev.ua> <20130320180239.GN32811@albert.catwhisker.org> <20130320200857.GN3794@kib.kiev.ua> <20130321013610.GB42912@albert.catwhisker.org> <20130321080441.GS3794@kib.kiev.ua> In-Reply-To: <20130321080441.GS3794@kib.kiev.ua> X-Enigmail-Version: 1.5.1 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="----enig2AONMELQOEODUVPJEBPVU" X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Mar 2013 08:16:12 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) ------enig2AONMELQOEODUVPJEBPVU Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 21.03.2013 09:04, Konstantin Belousov wrote: > On Wed, Mar 20, 2013 at 06:36:10PM -0700, David Wolfskill wrote: >> I elected to go ahead and try the bisection; here are my results: >> >> r248493M/248493: OK >> r248550M/248551: resets on X startup with nvidia.ko >> r248521M/248521: resets on X startup with nvidia.ko >> r248507M/248507: OK >> r248508M/248508: resets on X startup with nvidia.ko >> >> r248493M/248493 was my last working point (built yesterday morning). >> r248550M/248551 was what failed for me this morning. >> r248521M/248521 was a convenient mid-point between the above two. >> r248507M/248507 was the next natural test-point. >> r248508M/248508 was a guess on my part -- I would normally have gone= to >> r248514, but since I had previously noted that r248508 touched some >> things that nvidia-driver uses, I thought that test might be worthwh= ile. >> >> I am, however, mildly concerned that no one else appears to be reporti= ng >> similar symptoms (though I have it on good authority that someone is >> about to test). >=20 > This gives me an idea. The only so to say 'vm' change in r248508 was an= > addition of the bio_transient_map submap. The vfs.unmapped_buf_allowed > tunable did not eliminated the submap creation. Please try r248569 > with vfs.unmapped_buf_allowed set to 0. >=20 > If this combination allows the nvidia driver to start, please revert > the setting of vfs.unmapped_buf_allowed, and instead set > kern.bio_transient_maxcnt e.g. to 256 or even 128. >=20 > Also, on the machine without the tunables customization, please show > the output of sysctl kern.nbuf, kern.bio_transient_maxcnt. Also show > the output of pciconf -lvb. To be able to have kernel core dumps while X.Org is running, I need to set the "debug.debugger_on_panic=3D0" sysctl. Otherwise, the computer onl= y reboots (it doesn't honor the ddb script). Maybe it can help here? --=20 Jean-S=E9bastien P=E9dron ------enig2AONMELQOEODUVPJEBPVU Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (FreeBSD) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iEYEARECAAYFAlFKwXYACgkQa+xGJsFYOlM0OwCgmRp0hi7KEuFKG4BQLsvrhEpC tsgAnAjbZWbJaA42pMkBRDoI1Ph2MCjT =AQw2 -----END PGP SIGNATURE----- ------enig2AONMELQOEODUVPJEBPVU--